US Patent 10390580 Airbag suitable for head protection

An airbag (20) for protecting the head of a user in case of an accident is hereby presented. The airbag comprises an inflatable inner bag (21, 40, 50, 60) surrounded by an outer bag (22), wherein the structure of the outer bag (22) defines the shape of the airbag (20) when the inner bag (21) is inflated, and wherein said inner bag (21, 40, 50, 60) comprises a plurality of elongate first chambers (28, 29, 210, 211, 41, 42, 43, 44, 45, 46, 47, 48, 65, 66, 69, 610, 611, 612, 613, 614), each of which elongate first chambers forms a head protective part when inflated.